Answer:
Only One Variable is being studied in this research
Step-by-step explanation:
A variable is a measurable characteristic that varies from person to persons.
A variable can take different forms in research; It can be majorly classified into dependent and independent variable.
The variable being studied in the research above is "The President of the United States is doing a good job of handling foreign relations." and in this research an ordinal scale of measurement is used to collect data as regards the level of agreement to the methods the president is using to handle foreign relations.